sed delete c comments

# oksed -e ":begin; {     /\*\//!     {         $!         {             N;             b begin         };     };     s/\/\*.*\*\// /; };" 2.txtsed -e ":begin; { /\*\//! { $! { N; b begin }; }; s/\/\*.*\*\// /; };" 2.txt# xx line delete sed '/\/\*/{    /\*\//d;    :a;    N;    /\*\//d;    ba};s,//.*,,' 2.txt

sed 不删除最后一行

sed -e ' : begin; /_ASMLANGUAGE/!  { $!  { N; b begin; }; }; s/.*_ASMLANGUAGE/#define _ASMLANGUAGE/; '   context.s

sed -e': begin;/_ASMLANGUAGE/!{    $!      {        N;        b begin;    };     };s/.*_ASMLANGUAGE/#define _ASMLANGUAGE/;'context.s 

删除xml注释

sed -e ':begin ;/-->/!{    $!    {        N;        b begin;    }};s/<!--.*-->/ /;'acpi.xmlsed -e ' :begin ; /-->/!  { $!  { N; b begin; } }; s/<!--.*-->/ /; ' acpi.xml